Напружений стан трубопроводу при споруджуванні поворотів траси без технологічних захльостів

Abstract

A computation by means of a finite element method of pipe stress-strain condition in the process of placing them into the pipeline trench for two models of building a pipeline at the turning of the trace without technological overlapping is done. It is shown, that with recommended of document Р 598-8 geometric parameters of curved sections of the pipeline, the stresses in pipe walls may exceed the allowable stress of elastic bend. Recommendations for stress level decreasing in design of described models of building a pipeline are given.